326405800 has 144 divisors (see below), whose sum is σ = 894630240. Its totient is φ = 108476160.

The previous prime is 326405773. The next prime is 326405813. The reversal of 326405800 is 8504623.

326405800 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 3932559 + ... + 3932641.

It is an arithmetic number, because the mean of its divisors is an integer number (6212710).

Almost surely, 2^326405800 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 326405800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (447315120).

326405800 is an abundant number, since it is smaller than the sum of its proper divisors (568224440).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

326405800 is a wasteful number, since it uses less digits than its factorization.

326405800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212 (or 150 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 326405800 is about 18066.7041820029. The cubic root of 326405800 is about 688.5243265113.

The spelling of 326405800 in words is "three hundred twenty-six million, four hundred five thousand, eight hundred".